fix(styles): Removed div. from LESS files.

Prevents ui-grid from overwritting Bootstrap form-control class definition.

fix #5592

Author: Portugal, Marcelo

Diff for: src/features/edit/less/edit.less

@@ -1,6 +1,6 @@
 @import '../../../less/variables';
 
-div.ui-grid-cell {
+.ui-grid-cell {
   input {
     border-radius: inherit;
     padding: 0;

Diff for: src/features/validate/less/validate.less

@@ -1,5 +1,5 @@
 @import '../../../less/variables';
 
-div.ui-grid-cell-contents.invalid {
+.ui-grid-cell-contents.invalid {
   border: @invalidValueBorder;
 }